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To the separatory funnel in 10 ml acetate buffer and dispensable 1 ml of sodium thiosulfate solution, blending, followed by a second all-Canadian 10.0mL tetrachlorocarbon dithizone-0.01g/L solution, vibrating 2min, standing out carbon tetrachloride layer to 1 cm chromatometry Cup, zero-zero, adjusting to 520nm wavelength measuring the absorbance at, draw a comparison between the quantitative standard curve.

向各分液漏斗内加5mL乙酸盐缓冲液及1mL硫代硫酸钠溶液,混匀后再各加10.0mL二硫腙-四氯化碳溶液(0.01g/L),振摇2min,静置分层,分出四氯化碳层于1cm比色杯中,以零管调节零点,于520nm波长处测吸光度,绘制标准曲线比较定量。

The influences of the sulfide source and Na_2S_2O_3 solution concentration on the preparation of nanometer mercuric sulfide/amidoxime composite fiber were investigated,and the antibacterial properties of different fibers to staphylococcus aureus and bacillus subtilis were studied.

探讨了硫源和硫代硫酸钠溶液浓度对制备纳米硫化汞/偕胺肟复合纤维的影响,并研究了纤维对金黄色葡萄球菌和枯草芽孢杆菌的抗菌性能。运用红外光谱仪及扫描电镜对样品进行了表征。

The study of the effect of DMSP (dimethylsulfoniopropionate, or dimethyl-beta-propiothetin, DMPT) in the production of acid rain and in the promotion of aquacultural animals nutrition is one of the focus fields in both environmental science and aquaculture.

一种二甲基硫化合物硫代甜菜碱成为环境科学和水产科学共同关注的热点之一。

In this thesis, two series compounds of thiadiazole (2a~2f) and benzothiazole (5a~5f) were synthesized by using the reagent of iodobenzene diacetate. We also bound the iodobenzene diacetate reagent to the resin and applied it to synthesize thiadiazole and benzothiazole compounds.

本文利用二醋酸碘苯试剂分别与1-芳甲酰基-5-芳基-2-硫代缩二脲及1-芳甲酰基-3-芳基硫脲反应合成了噻二唑(2a~2f)和苯并噻唑(5a~5i)两个系列的杂环衍生物,并通过把二醋酸碘苯负载在高分子上合成了一类新型的固相氧化剂,同时考查了该固相氧化剂在噻二唑,苯并噻唑类化合物合成中的应用以及该固相氧化剂的循环使用。

By means of covalent coupling with the activation of 1-ethyl-3-(3-dimethyllaminopropyl) carbodiimide hydrochloride and N-hydroxysulfosuccinimide.

利用自组装技术将三巯基丙酸固定在金电极上,以1-乙基-3-(3-二甲氨基)碳二亚胺盐酸盐和N-羟基硫代琥珀亚胺作为活化剂,将甲基对硫磷抗体以共价键形式固定在三巯基丙酸自组装单分子膜修饰的金电极上,制备了一种免疫传感器。

It is characterized in that: 2-( 5-(dimethylamino methyl- 2- furyl methyl sulpho ethylamine reacts with 1- methylthio - 1- methylamino- 2- nitro ethylene directly in water phase, crystallizing and separating out ranitidine alkali.

其特征在于:它是由2-(5-(二甲氨基甲基-2-呋喃基甲基硫代乙胺与1-甲硫基-1-甲胺基-2-硝基乙烯直接在水相中反应并结晶析出雷尼替丁碱。

A new aroma compound,furfuryl thiopropionate was synthesized using furfuryl thioalcohol and propionyl chloride as raw materials,with calcium oxide and sodium carbonate as acid-capturer.

以糠硫醇和丙酰氯为原料,用氧化钙和碳酸钠为复合缚酸剂,合成了香料硫代丙酸糠酯,并用IR、元素分析等进行了表征。

The results showed polymeric diaryliodonium salts were effective aryl ion transfer reagents. Thirdly, a new type polymer supported hypervalent iodine reagents poly { [4-Hydroxy iodo] styrene} has been developed. It was an effective oxidative reagent, and could be applied to the one pot synthesis of 4-arylthiazoles.

然后,我们以聚苯乙烯羟基对甲苯磺酰氧基碘苯为原料,成功制备了一类新型聚合物高碘试剂—聚苯乙烯负载的炔基碘盐,并研究了其作为炔基转移试剂的有效性:(1)该试剂可对硫、氮、硒等负离子进行亲电炔基化反应,合成炔基亚砜、0,0-二烃基二硫代磷酸炔基酯、1-苯乙炔基苯并噻唑以及炔基硒醚。

This is because of the high concentration in Brassicas of substances known as glucosinolates which are metabolized to cancer preventive substances known as isothiocyanates.

这是因为其中含有高浓度的硫代葡萄糖酸盐,它可以代谢成癌症的预防性物质:异硫氰酸盐。

This is because of the high concentration in Brassicas of substances known as glucosinolates which are metabolized to cancer preentie substances known as isothiocyanates.

这是因为其中含有高浓度的硫代葡萄糖酸盐,它可以代谢成癌症的预防性物质:异硫氰酸盐。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?